What is pinging???

From: Tony Mastres (mastres@id.ucsb.edu)
Date: Mon Feb 07 2000 - 13:35:04 EST


All right I guess I have to show my ignorance here but what exactly does
"pinging " sound like. My 97 Dak does make a strange rattling sound under
acceleration and it gets much worse when I use 87 octane gas. with 89 its
there but much less so. could this be the pinging everyone is talking
about, or is this some other problem . Any ideas?



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